Combine first 3 ingredients in large bowl.,Combine oil, egg and buttermilk.,Stir in flour mixture.,Cut frankfurters into 5 pieces.,Dip each piece into batter.,Coat completely.,Use wooden picks to aid in dipping.,Pour oil 3 to 4-inches deep in Dutch oven or pan.,Heat to 375°.,Fry until golden brown.,______,Serve with mustard and ketchup.